Screwdriver bit



FIG. 1 is a top, front, left perspective view of a first embodiment of a screwdriver bit in accordance with my design;

FIG. 2 is a front elevational view thereof, with the rear elevational view being identical thereto;

FIG. 3 is a left side elevational view thereof, with the right side elevational view being identical thereto;

FIG. 4 is a top plan view thereof; and

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a top, front, left perspective view of a second embodiment of a screwdriver bit in accordance with my design;

FIG. 7 is a front elevational view thereof, with the rear elevational view being identical thereto;

FIG. 8 is a left side elevational view, with the right side elevational view being identical thereto;

FIG. 9 is a top plan view thereof; and,

FIG. 10 is a bottom plan view thereof.

As indicated in the title, the article of manufacture to which the ornamental design has been applied is a screwdriver bit. The light stippling in FIGS. 1-5 represents a contrasting color to a remainder of the body of the article of manufacture. Additionally, the heavy stippling in FIGS. 6-10 represents a contrasting color to a remainder of the body of the article of manufacture as well as a visible light effect, glow, luminescence, or fluorescence, which is a part of the claimed design. Broken lines represent portions of the article which have been shown for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a screwdriver bit, as shown and described. 